AU2011242708B2 - MRI-safe disk magnet for implants - Google Patents

MRI-safe disk magnet for implants Download PDF

Info

Publication number
AU2011242708B2
AU2011242708B2 AU2011242708A AU2011242708A AU2011242708B2 AU 2011242708 B2 AU2011242708 B2 AU 2011242708B2 AU 2011242708 A AU2011242708 A AU 2011242708A AU 2011242708 A AU2011242708 A AU 2011242708A AU 2011242708 B2 AU2011242708 B2 AU 2011242708B2
Authority
AU
Australia
Prior art keywords
attachment
magnet
implant
magnetic
attachment magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
AU2011242708A
Other languages
English (en)
Other versions
AU2011242708A1 (en
Inventor
Bernhard Jamnig
Martin Zimmerling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MED EL Elektromedizinische Geraete GmbH
Original Assignee
MED EL Elektromedizinische Geraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44260168&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU2011242708(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MED EL Elektromedizinische Geraete GmbH filed Critical MED EL Elektromedizinische Geraete GmbH
Publication of AU2011242708A1 publication Critical patent/AU2011242708A1/en
Application granted granted Critical
Publication of AU2011242708B2 publication Critical patent/AU2011242708B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362Heart stimulators
    • A61N1/37Monitoring; Protecting
    • A61N1/3718Monitoring of or protection against external electromagnetic fields or currents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/18Internal ear or nose parts, e.g. ear-drums
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/20Epiglottis; Larynxes; Tracheae combined with larynxes or for use therewith
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36036Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of the outer, middle or inner ear
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36036Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of the outer, middle or inner ear
    • A61N1/36038Cochlear stimulation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362Heart stimulators
    • A61N1/37Monitoring; Protecting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372Arrangements in connection with the implantation of stimulators
    • A61N1/37211Means for communicating with stimulators
    • A61N1/37217Means for communicating with stimulators characterised by the communication link, e.g. acoustic or tactile
    • A61N1/37223Circuits for electromagnetic coupling

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Otolaryngology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Pulmonology (AREA)
  • Vascular Medicine (AREA)
  • Acoustics & Sound (AREA)
  • Prostheses (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Magnetic Treatment Devices (AREA)
AU2011242708A 2010-04-23 2011-04-21 MRI-safe disk magnet for implants Active AU2011242708B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32715810P 2010-04-23 2010-04-23
US61/327,158 2010-04-23
PCT/US2011/033385 WO2011133747A1 (fr) 2010-04-23 2011-04-21 Aimant à disque sans risque sous irm pour implants

Publications (2)

Publication Number Publication Date
AU2011242708A1 AU2011242708A1 (en) 2012-10-25
AU2011242708B2 true AU2011242708B2 (en) 2013-09-05

Family

ID=44260168

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2011242708A Active AU2011242708B2 (en) 2010-04-23 2011-04-21 MRI-safe disk magnet for implants

Country Status (9)

Country Link
US (1) US8634909B2 (fr)
EP (4) EP3138605B1 (fr)
KR (1) KR101743793B1 (fr)
CN (1) CN102905756B (fr)
AU (1) AU2011242708B2 (fr)
DK (1) DK3138605T3 (fr)
ES (4) ES2967007T3 (fr)
PL (4) PL4074373T3 (fr)
WO (1) WO2011133747A1 (fr)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003233025B2 (en) 2002-04-01 2008-04-10 Med-El Elektromedizinische Geraete Gmbh Reducing effect of magnetic and electromagnetic fields on an implants magnet and/or electronic
AU2003901696A0 (en) 2003-04-09 2003-05-01 Cochlear Limited Implant magnet system
US8811643B2 (en) 2003-05-08 2014-08-19 Advanced Bionics Integrated cochlear implant headpiece
SE531177C2 (sv) 2007-05-24 2009-01-13 Cochlear Ltd Distans för implantat
KR101743793B1 (ko) 2010-04-23 2017-06-05 메드-엘 엘렉트로메디지니쉐 게라에테 게엠베하 임플란트를 위한 mri-안전 디스크 자석
AU2012358871B2 (en) * 2011-12-22 2015-06-18 Med-El Elektromedizinische Geraete Gmbh Magnet arrangement for bone conduction hearing implant
WO2013168710A1 (fr) * 2012-05-07 2013-11-14 オリンパスメディカルシステムズ株式会社 Dispositif de guidage
PL2869890T3 (pl) * 2012-07-03 2018-01-31 Med El Elektromedizinische Geraete Gmbh Bezpieczny dla MRI magnes implantu z magnetyzacją kątową
EP2870781B1 (fr) * 2012-07-09 2019-05-01 Med-El Elektromedizinische Geräte GmbH Dispositif auditif à conduction osseuse électromagnétique
US9042991B2 (en) 2013-08-14 2015-05-26 Syntilla Medical LLC Implantable head mounted neurostimulation system for head pain
US9427566B2 (en) 2013-08-14 2016-08-30 Syntilla Medical LLC Implantable neurostimulation lead for head pain
US9839777B2 (en) 2013-08-14 2017-12-12 Syntilla Medical LLC Implantable neurostimulation lead for head pain
US9498635B2 (en) 2013-10-16 2016-11-22 Syntilla Medical LLC Implantable head located radiofrequency coupled neurostimulation system for head pain
US10258805B2 (en) 2013-10-23 2019-04-16 Syntilla Medical, Llc Surgical method for implantable head mounted neurostimulation system for head pain
US10960215B2 (en) 2013-10-23 2021-03-30 Nuxcel, Inc. Low profile head-located neurostimulator and method of fabrication
US11369283B2 (en) 2013-10-24 2022-06-28 Med-El Elektromedizinische Geraete Gmbh Implant magnet distance determination
US9800982B2 (en) 2014-06-18 2017-10-24 Cochlear Limited Electromagnetic transducer with expanded magnetic flux functionality
US10091594B2 (en) 2014-07-29 2018-10-02 Cochlear Limited Bone conduction magnetic retention system
US9744056B2 (en) 2014-08-06 2017-08-29 Rehabilitation Institute Of Chicago Magnetic electrical connector for assistive devices
WO2016190886A1 (fr) * 2015-05-28 2016-12-01 Advanced Bionics Ag Implants cochléaires équipés d'un appareil à aimant compatible avec l'irm et procédés associés
US10130807B2 (en) 2015-06-12 2018-11-20 Cochlear Limited Magnet management MRI compatibility
EP4353304A2 (fr) 2015-06-26 2024-04-17 Cochlear Limited Dispositif de retenue magnétique
US20160381473A1 (en) 2015-06-26 2016-12-29 Johan Gustafsson Magnetic retention device
US10758736B2 (en) * 2015-09-09 2020-09-01 Med-El Elektromedizinische Geraete Gmbh Fixation of a removable magnet or a similar element in an elastic implant material
US10917730B2 (en) * 2015-09-14 2021-02-09 Cochlear Limited Retention magnet system for medical device
CN108028997B (zh) 2015-09-18 2020-03-20 Med-El电气医疗器械有限公司 具有可调节的保持力的骨传导换能器系统
WO2017087004A1 (fr) 2015-11-20 2017-05-26 Advanced Bionics Ag Implants cochléaires et aimants pour utilisation avec ceux-ci
WO2017105510A1 (fr) * 2015-12-18 2017-06-22 Advanced Bionics Ag Implants cochléaires comprenant un appareil magnétique compatible avec l'irm et procédés associés
WO2017105511A1 (fr) 2015-12-18 2017-06-22 Advanced Bionics Ag Implants cochléaires comprenant un appareil magnétique compatible avec l'irm
US9717917B2 (en) 2016-01-06 2017-08-01 Syntilla Medical LLC Charging system incorporating independent charging and communication with multiple implanted devices
US10129667B2 (en) * 2016-02-26 2018-11-13 Cochlear Limited Multi-pole magnetic coupling for bone conduction device
CN109069839B (zh) 2016-03-29 2021-12-14 Med-El电气医疗器械有限公司 带可夹持磁体的耳蜗植入物
US10576276B2 (en) 2016-04-29 2020-03-03 Cochlear Limited Implanted magnet management in the face of external magnetic fields
US10646718B2 (en) 2016-11-15 2020-05-12 Advanced Bionics Ag Cochlear implants and magnets for use with same
US10674287B2 (en) 2016-11-23 2020-06-02 Cochlear Limited Magnet placement and antenna placement of an implant
US11595768B2 (en) 2016-12-02 2023-02-28 Cochlear Limited Retention force increasing components
WO2018190813A1 (fr) 2017-04-11 2018-10-18 Advanced Bionics Ag Implants cochléaires avec aimants rapportés
AU2018260607B2 (en) * 2017-04-24 2020-07-23 Med-El Elektromedizinische Geraete Gmbh MRI-safety and force optimized implant magnet system
WO2018199936A1 (fr) 2017-04-25 2018-11-01 Advanced Bionics Ag Implants cochléaires équipés d'un appareil à aimant compatible avec l'irm résistant aux chocs
CN110650769B (zh) 2017-05-22 2023-12-22 领先仿生公司 颗粒对准方法和颗粒对准指示套件
US10646712B2 (en) 2017-09-13 2020-05-12 Advanced Bionics Ag Cochlear implants having MRI-compatible magnet apparatus
CN111344041A (zh) 2017-10-26 2020-06-26 领先仿生公司 头戴件和包括其的可植入耳蜗刺激系统
CN112118888A (zh) * 2018-02-15 2020-12-22 领先仿生公司 头戴装置和包括其的可植入耳蜗刺激系统
AU2019238325B2 (en) * 2018-03-23 2022-02-17 The Alfred E. Mann Foundation For Scientific Research Skin patches for sensing or affecting a body parameter
US11938319B2 (en) * 2018-10-29 2024-03-26 Med-El Elektromedizinische Geraete Gmbh Cylindrical implant magnet optimized for MRI
WO2020136601A1 (fr) * 2018-12-27 2020-07-02 Cochlear Limited Gestion avancée d'aimants implantés face à des champs magnétiques externes
WO2020212849A1 (fr) * 2019-04-15 2020-10-22 Cochlear Limited Gestion de la compatibilité des aimants d'irm
WO2021059163A1 (fr) * 2019-09-27 2021-04-01 Cochlear Limited Aimant multipolaire destiné à un système d'implant médical
EP4126207A1 (fr) 2020-03-31 2023-02-08 Advanced Bionics AG Modules externes et systèmes de stimulation cochléaire implantables comprenant ces derniers
US11616397B2 (en) * 2020-08-12 2023-03-28 Medtronic, Inc. Magnetic alignment of transcutaneous energy transfer coils
EA202192120A1 (ru) * 2020-09-02 2022-03-31 Мед-Эл Электромедицинише Герете Гмбх Удерживающие магниты и магнитная система для имплантируемых систем, оптимизированных для мрт
AU2021225130B2 (en) * 2020-09-09 2024-01-18 Med-El Elektromedizinische Geraete Gmbh Holding Magnets and Magnet System for Implantable Systems Optimized for MRI

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003081976A2 (fr) * 2002-04-01 2003-10-09 Med-El Elektromedizinische Geräte GmbH Reduction de l'effet des champs magnetique et electromagnetique sur un aimant ou de l'electronique implantes

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573812A (en) 1967-11-06 1971-04-06 Miniature Elect Components Electromagnetic indicator
US3527220A (en) 1968-06-28 1970-09-08 Fairchild Hiller Corp Implantable drug administrator
US3608088A (en) 1969-04-17 1971-09-28 Univ Minnesota Implantable blood pump
US3766928A (en) 1972-03-24 1973-10-23 American Optical Corp Pacer with magnetic coupling means for external rate adjustment
US4352960A (en) 1980-09-30 1982-10-05 Baptist Medical Center Of Oklahoma, Inc. Magnetic transcutaneous mount for external device of an associated implant
US4615691A (en) 1983-12-08 1986-10-07 Salomon Hakim Surgically-implantable stepping motor
US5507303A (en) 1991-06-06 1996-04-16 Cochlear Pty. Limited Percutaneous connector
US5554096A (en) 1993-07-01 1996-09-10 Symphonix Implantable electromagnetic hearing transducer
US5762599A (en) 1994-05-02 1998-06-09 Influence Medical Technologies, Ltd. Magnetically-coupled implantable medical devices
US6141591A (en) 1996-03-06 2000-10-31 Advanced Bionics Corporation Magnetless implantable stimulator and external transmitter and implant tools for aligning same
US5877664A (en) 1996-05-08 1999-03-02 Jackson, Jr.; John T. Magnetic proximity switch system
US6178079B1 (en) 1996-05-16 2001-01-23 Pacesetter, Inc. Magnetic annunciator
AU745916B2 (en) 1997-03-07 2002-04-11 Kyphon Sarl Systems for percutaneous bone and spinal stabilization, fixation and repair
DE19840989A1 (de) 1997-09-09 1999-03-18 Tokyo Electron Ltd Reinigungsverfahren und Reinigungsgerät
US6348070B1 (en) 1998-04-17 2002-02-19 Med-El Elektromedizinische Gerate Ges.M.B.H Magnetic-interference-free surgical prostheses
US6077299A (en) 1998-06-22 2000-06-20 Eyetronic, Llc Non-invasively adjustable valve implant for the drainage of aqueous humor in glaucoma
US6178353B1 (en) 1998-07-27 2001-01-23 Advanced Bionics Corporation Laminated magnet keeper for implant device
US6217508B1 (en) 1998-08-14 2001-04-17 Symphonix Devices, Inc. Ultrasonic hearing system
US6292678B1 (en) 1999-05-13 2001-09-18 Stereotaxis, Inc. Method of magnetically navigating medical devices with magnetic fields and gradients, and medical devices adapted therefor
US6358281B1 (en) 1999-11-29 2002-03-19 Epic Biosonics Inc. Totally implantable cochlear prosthesis
US7266209B1 (en) 2000-01-05 2007-09-04 David William House Cochlear implants with a stimulus in the human ultrasonic range and method for stimulating a cochlea
US6506987B1 (en) 2001-07-19 2003-01-14 Randy Woods Magnetic switch
WO2001083023A2 (fr) 2001-08-14 2001-11-08 Phonak Ag Acces percutane et transcutane a l'interieur du corps
AUPS192202A0 (en) 2002-04-23 2002-05-30 Cochlear Limited Mri-compatible cochlear implant
FR2841429B1 (fr) 2002-06-21 2005-11-11 Mxm Dispositif d'aide auditive pour la rehabilitation de patients ateints de surdites neurosensorielles partielles
US7241258B2 (en) 2003-11-07 2007-07-10 Otologics, Llc Passive vibration isolation of implanted microphone
CN1583193A (zh) * 2004-05-27 2005-02-23 杭州康尔医药科技有限公司 一种改进型低频旋转强恒磁场治疗装置
KR100735078B1 (ko) 2006-07-21 2007-07-03 (주)머티리얼솔루션테크놀로지 인공와우
EP2117489B1 (fr) 2007-03-07 2010-05-12 MED-EL Medical Electronics Elektro-medizinische Geräte GmbH Dispositif implantable doté d'un aimant amovible
US8133215B2 (en) 2007-08-13 2012-03-13 Cochlear Limited Independently-manufactured drug delivery module and corresponding receptacle in an implantable medical device
FR2931076B1 (fr) 2008-05-15 2010-06-25 Neurelec Dispositif implantable sous-cutane
EP2282810B1 (fr) * 2008-06-03 2017-08-09 Med-El Elektromedizinische Geräte GmbH Revêtement conducteur d'implants avec liaison inductive
US20100087700A1 (en) * 2008-10-07 2010-04-08 Med-El Elektromedizinische Geraete Gmbh Cochlear Implant Sound Processor for Sleeping with Tinnitus Suppression and Alarm Function
AU2009314139A1 (en) 2008-11-12 2011-06-30 Advanced Bionics, Llc Cochlear implant systems including magnetic flux redirection means
KR101743793B1 (ko) 2010-04-23 2017-06-05 메드-엘 엘렉트로메디지니쉐 게라에테 게엠베하 임플란트를 위한 mri-안전 디스크 자석

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003081976A2 (fr) * 2002-04-01 2003-10-09 Med-El Elektromedizinische Geräte GmbH Reduction de l'effet des champs magnetique et electromagnetique sur un aimant ou de l'electronique implantes
US6838963B2 (en) * 2002-04-01 2005-01-04 Med-El Elektromedizinische Geraete Gmbh Reducing effects of magnetic and electromagnetic fields on an implant's magnet and/or electronics

Also Published As

Publication number Publication date
WO2011133747A1 (fr) 2011-10-27
EP2560730B1 (fr) 2016-11-02
CN102905756B (zh) 2015-04-01
PL3517169T3 (pl) 2022-11-21
EP3517169A1 (fr) 2019-07-31
US8634909B2 (en) 2014-01-21
EP4074373B1 (fr) 2023-09-27
PL4074373T3 (pl) 2024-03-04
ES2926718T3 (es) 2022-10-27
KR101743793B1 (ko) 2017-06-05
PL3138605T3 (pl) 2019-10-31
ES2610358T3 (es) 2017-04-27
ES2733540T3 (es) 2019-11-29
ES2967007T3 (es) 2024-04-25
AU2011242708A1 (en) 2012-10-25
EP4074373C0 (fr) 2023-09-27
EP3517169B1 (fr) 2022-06-08
PL2560730T3 (pl) 2017-04-28
KR20130052574A (ko) 2013-05-22
DK3138605T3 (da) 2019-07-15
EP3138605B1 (fr) 2019-04-10
EP3138605A1 (fr) 2017-03-08
EP4074373A1 (fr) 2022-10-19
EP2560730A1 (fr) 2013-02-27
US20110264172A1 (en) 2011-10-27
CN102905756A (zh) 2013-01-30

Similar Documents

Publication Publication Date Title
AU2011242708B2 (en) MRI-safe disk magnet for implants
AU2013286953B2 (en) MRI-safe implant magnet with angular magnetization
US20120296155A1 (en) Magnetic Attachment Arrangement for Implantable Device
CA2768490C (fr) Configuration de fixation magnetique pour dispositif implantable
AU2013288819B2 (en) Symmetric magnet arrangement for medical implants
US11660447B2 (en) MRI-safe and force-optimized implantable ring magnet system with an enhanced inductive link
US11938319B2 (en) Cylindrical implant magnet optimized for MRI
EA045972B1 (ru) Удерживающие магниты и магнитная система для имплантируемых систем, оптимизированных для мрт

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)